.page-home {
  --home-hair: rgba(185, 203, 211, .82);
  --home-veil: rgba(13, 124, 143, .13);
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 4vw, 48px) 0 clamp(52px, 8vw, 118px);
  background: linear-gradient(180deg, var(--chalk) 0%, var(--mist) 58%, var(--mist) 100%);
}

.page-home .hero__wrap {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(28px, 4.4vw, 46px);
}

@media (min-width: 960px) {
  .page-home .hero__wrap {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    align-items: end;
    gap: clamp(38px, 5vw, 92px);
  }
}

.page-home .hero__body {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.page-home .hero__index {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0;
}

.page-home .hero__index .num {
  font-family: var(--font-display);
  font-size: clamp(38px, 5.6vw, 64px);
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--home-veil);
}

.page-home .hero__index-label {
  font-size: 12px;
  letter-spacing: .34em;
  color: var(--rock);
}

.page-home .hero__title {
  display: flex;
  flex-direction: column;
  gap: clamp(8px, 1.4vw, 20px);
  margin: clamp(14px, 2.4vw, 26px) 0 0;
  font-family: var(--font-display);
  font-weight: 400;
}

.page-home .hero__title-main {
  font-size: clamp(72px, 16vw, 196px);
  line-height: .92;
  letter-spacing: -.05em;
  color: var(--deep);
}

.page-home .hero__title-sub {
  font-size: clamp(16px, 2.2vw, 28px);
  line-height: 1.55;
  letter-spacing: .06em;
  color: var(--lake);
}

.page-home .hero__lede {
  max-width: 620px;
  margin: clamp(18px, 2.6vw, 32px) 0 0;
  color: var(--ink);
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 36px);
}

.page-home .hero__media {
  margin: 0;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

@media (min-width: 960px) {
  .page-home .hero__media {
    aspect-ratio: 4 / 3;
  }
}

.page-home .hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-home .hero__contour {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 0;
  width: 100%;
  height: clamp(150px, 30vw, 380px);
  pointer-events: none;
}

.page-home .hero__contour path {
  fill: none;
  stroke: var(--trace);
  stroke-width: 1.4;
  vector-effect: non-scaling-stroke;
}

/* ---------- 三块构成 ---------- */
.page-home .section__head {
  max-width: 760px;
}

.page-home .trio {
  display: grid;
  gap: clamp(16px, 2vw, 26px);
}

@media (min-width: 880px) {
  .page-home .trio {
    grid-template-columns: 1.06fr .9fr 1.24fr;
    align-items: start;
  }
}

.page-home .trio__card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(22px, 2.6vw, 34px);
}

.page-home .trio__card--deep {
  background: var(--deep);
  color: var(--mist);
}

.page-home .trio__card--deep .panel__label {
  color: var(--gold);
}

.page-home .trio__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(21px, 2.4vw, 27px);
  font-weight: 400;
  letter-spacing: .01em;
  color: var(--ink);
}

.page-home .trio__card--deep .trio__title {
  color: var(--chalk);
}

.page-home .trio__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--rock);
}

.page-home .trio__card--deep .trio__text {
  color: var(--trace);
}

.page-home .trio__more {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--indigo);
  transition: max-height .36s var(--ease), opacity .3s var(--ease);
}

.page-home .trio__card--deep .trio__more {
  color: var(--gold);
}

.page-home .trio__card:hover .trio__more,
.page-home .trio__card:focus-within .trio__more {
  max-height: 8em;
  opacity: 1;
}

.page-home .trio__link {
  margin-top: auto;
  padding-top: 8px;
  align-self: flex-start;
  font-size: 15px;
  letter-spacing: .04em;
  color: var(--lake);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-home .trio__link:hover,
.page-home .trio__link:focus-visible {
  color: var(--deep);
}

.page-home .trio__card--deep .trio__link {
  color: var(--gold);
}

.page-home .trio__card--deep .trio__link:hover,
.page-home .trio__card--deep .trio__link:focus-visible {
  color: var(--chalk);
}

/* ---------- 六个区域 ---------- */
.page-home .region-strip {
  list-style: none;
  margin: clamp(26px, 3.6vw, 46px) 0 0;
  padding: 0;
  display: grid;
  gap: 3px;
}

@media (min-width: 800px) {
  .page-home .region-strip {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    align-items: end;
    gap: clamp(6px, 1vw, 14px);
  }
}

.page-home .region-strip__item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
  padding: 20px 16px;
  background: var(--chalk);
  border-top: 3px solid var(--lake);
}

@media (min-width: 800px) {
  .page-home .region-strip__item:nth-child(1) { padding-top: 46px; }
  .page-home .region-strip__item:nth-child(2) { padding-top: 30px; }
  .page-home .region-strip__item:nth-child(3) { padding-top: 64px; }
  .page-home .region-strip__item:nth-child(4) { padding-top: 34px; }
  .page-home .region-strip__item:nth-child(5) { padding-top: 54px; }
  .page-home .region-strip__item:nth-child(6) { padding-top: 24px; }
}

.page-home .region-strip__item:nth-child(3),
.page-home .region-strip__item:nth-child(5) {
  border-top-color: var(--indigo);
}

.page-home .region-strip__item:nth-child(6) {
  border-top-color: var(--gold);
}

.page-home .region-strip__num {
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--gold);
}

.page-home .region-strip__name {
  font-family: var(--font-display);
  font-size: clamp(19px, 1.7vw, 23px);
  line-height: 1.3;
  color: var(--ink);
}

.page-home .region-strip__range {
  font-size: 13px;
  line-height: 1.6;
  color: var(--rock);
}

.page-home .regions__figure {
  margin: clamp(28px, 4vw, 48px) 0 0;
  overflow: hidden;
}

.page-home .regions__figure img,
.page-home .stages__figure img,
.page-home .response__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-home .regions__foot,
.page-home .stages__foot,
.page-home .response__foot {
  margin: clamp(20px, 2.6vw, 32px) 0 0;
}

/* ---------- 四个阶段 ---------- */
.page-home .stage-track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(18px, 2.4vw, 26px);
}

@media (min-width: 900px) {
  .page-home .stage-track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: clamp(12px, 1.8vw, 26px);
  }
}

.page-home .stage-track__item {
  min-width: 0;
  padding: 22px 4px 0 0;
  border-top: 4px solid var(--trace);
}

.page-home .stage-track__item:nth-child(2) { border-top-color: var(--lake); }
.page-home .stage-track__item:nth-child(3) { border-top-color: var(--indigo); }
.page-home .stage-track__item:nth-child(4) { border-top-color: var(--gold); }

.page-home .stage-track__num {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: .28em;
  color: var(--rock);
}

.page-home .stage-track__name {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.2vw, 26px);
  font-weight: 400;
  color: var(--deep);
}

.page-home .stage-track__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--rock);
}

.page-home .stages__figure {
  margin: clamp(28px, 4vw, 48px) 0 0;
  overflow: hidden;
}

/* ---------- 响应时限与口径 ---------- */
.page-home .response__main {
  min-width: 0;
}

.page-home .response__prose {
  margin: clamp(4px, 1vw, 12px) 0 0;
}

.page-home .channel-list {
  list-style: none;
  margin: clamp(24px, 3vw, 38px) 0 0;
  padding: 0;
  border-top: 1px solid var(--home-hair);
}

.page-home .channel-list li {
  display: grid;
  gap: 6px;
  padding: clamp(16px, 2vw, 22px) 0;
  border-bottom: 1px solid var(--home-hair);
}

@media (min-width: 720px) {
  .page-home .channel-list li {
    grid-template-columns: 74px minmax(0, 1fr) auto;
    align-items: baseline;
    gap: 22px;
  }
}

.page-home .channel-list__num {
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--gold);
}

.page-home .channel-list__name {
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
}

.page-home .channel-list__go {
  font-size: 14px;
  letter-spacing: .04em;
  color: var(--lake);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  justify-self: start;
}

.page-home .channel-list__go:hover,
.page-home .channel-list__go:focus-visible {
  color: var(--orange);
}

.page-home .response__note {
  align-self: start;
}

@media (min-width: 900px) {
  .page-home .response__note {
    margin-top: 6px;
  }
}

.page-home .response__figure {
  margin: clamp(32px, 4.4vw, 56px) 0 0;
  max-width: 760px;
  overflow: hidden;
}

/* ---------- 阅读入口与筛选 ---------- */
.page-home .filter-bar {
  margin-top: clamp(20px, 2.6vw, 32px);
}

.page-home .entry-grid {
  display: grid;
  gap: clamp(14px, 2vw, 22px);
  margin-top: clamp(24px, 3.2vw, 40px);
}

@media (min-width: 700px) {
  .page-home .entry-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1060px) {
  .page-home .entry-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    padding-bottom: 30px;
  }
  .page-home .entry:nth-child(3n+2) { transform: translateY(26px); }
  .page-home .entry:nth-child(3n) { transform: translateY(13px); }
}

.page-home .entry {
  display: grid;
  gap: 8px;
  min-width: 0;
  padding: clamp(20px, 2.4vw, 28px);
  background: var(--chalk);
  border-left: 3px solid var(--trace);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
  transition: border-color .3s var(--ease), background-color .3s var(--ease);
}

.page-home .entry:hover,
.page-home .entry:focus-within {
  border-left-color: var(--lake);
  background: var(--mist);
}

.page-home .entry__tag {
  margin: 0;
  font-size: 12px;
  letter-spacing: .24em;
  color: var(--indigo);
}

.page-home .entry__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(18px, 1.9vw, 22px);
  font-weight: 400;
  line-height: 1.45;
}

.page-home .entry__title a {
  color: var(--ink);
  text-decoration: none;
}

.page-home .entry__title a:hover,
.page-home .entry__title a:focus-visible {
  color: var(--lake);
}

.page-home .entry__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--rock);
}

.page-home .filter-empty {
  margin: clamp(20px, 2.6vw, 30px) 0 0;
  font-size: 15px;
  color: var(--rock);
}

@media (prefers-reduced-motion: reduce) {
  .page-home .trio__more,
  .page-home .entry {
    transition: none;
  }
  .page-home .entry:nth-child(3n+2),
  .page-home .entry:nth-child(3n) {
    transform: none;
  }
}
</main>